From f3195ea547bae0c0a31aef22119c0d2af50ec760 Mon Sep 17 00:00:00 2001 From: Dylan Bolger Date: Sun, 18 Mar 2018 00:13:48 -0500 Subject: c --- assets/js/util.js | 587 ++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 587 insertions(+) create mode 100755 assets/js/util.js (limited to 'assets/js/util.js') diff --git a/assets/js/util.js b/assets/js/util.js new file mode 100755 index 0000000..ecf7b37 --- /dev/null +++ b/assets/js/util.js @@ -0,0 +1,587 @@ +(function($) { + + /** + * Generate an indented list of links from a nav. Meant for use with panel(). + * @return {jQuery} jQuery object. + */ + $.fn.navList = function() { + + var $this = $(this); + $a = $this.find('a'), + b = []; + + $a.each(function() { + + var $this = $(this), + indent = Math.max(0, $this.parents('li').length - 1), + href = $this.attr('href'), + target = $this.attr('target'); + + b.push( + '' + + '' + + $this.text() + + '' + ); + + }); + + return b.join(''); + + }; + + /** + * Panel-ify an element. + * @param {object} userConfig User config. + * @return {jQuery} jQuery object. + */ + $.fn.panel = function(userConfig) { + + // No elements? + if (this.length == 0) + return $this; + + // Multiple elements? + if (this.length > 1) { + + for (var i=0; i < this.length; i++) + $(this[i]).panel(userConfig); + + return $this; + + } + + // Vars. + var $this = $(this), + $body = $('body'), + $window = $(window), + id = $this.attr('id'), + config; + + // Config. + config = $.extend({ + + // Delay. + delay: 0, + + // Hide panel on link click. + hideOnClick: false, + + // Hide panel on escape keypress. + hideOnEscape: false, + + // Hide panel on swipe. + hideOnSwipe: false, + + // Reset scroll position on hide. + resetScroll: false, + + // Reset forms on hide. + resetForms: false, + + // Side of viewport the panel will appear. + side: null, + + // Target element for "class". + target: $this, + + // Class to toggle. + visibleClass: 'visible' + + }, userConfig); + + // Expand "target" if it's not a jQuery object already. + if (typeof config.target != 'jQuery') + config.target = $(config.target); + + // Panel. + + // Methods. + $this._hide = function(event) { + + // Already hidden? Bail. + if (!config.target.hasClass(config.visibleClass)) + return; + + // If an event was provided, cancel it. + if (event) { + + event.preventDefault(); + event.stopPropagation(); + + } + + // Hide. + config.target.removeClass(config.visibleClass); + + // Post-hide stuff. + window.setTimeout(function() { + + // Reset scroll position. + if (config.resetScroll) + $this.scrollTop(0); + + // Reset forms. + if (config.resetForms) + $this.find('form').each(function() { + this.reset(); + }); + + }, config.delay); + + }; + + // Vendor fixes. + $this + .css('-ms-overflow-style', '-ms-autohiding-scrollbar') + .css('-webkit-overflow-scrolling', 'touch'); + + // Hide on click. + if (config.hideOnClick) { + + $this.find('a') + .css('-webkit-tap-highlight-color', 'rgba(0,0,0,0)'); + + $this + .on('click', 'a', function(event) { + + var $a = $(this), + href = $a.attr('href'), + target = $a.attr('target'); + + if (!href || href == '#' || href == '' || href == '#' + id) + return; + + // Cancel original event. + event.preventDefault(); + event.stopPropagation(); + + // Hide panel. + $this._hide(); + + // Redirect to href. + window.setTimeout(function() { + + if (target == '_blank') + window.open(href); + else + window.location.href = href; + + }, config.delay + 10); + + }); + + } + + // Event: Touch stuff. + $this.on('touchstart', function(event) { + + $this.touchPosX = event.originalEvent.touches[0].pageX; + $this.touchPosY = event.originalEvent.touches[0].pageY; + + }) + + $this.on('touchmove', function(event) { + + if ($this.touchPosX === null + || $this.touchPosY === null) + return; + + var diffX = $this.touchPosX - event.originalEvent.touches[0].pageX, + diffY = $this.touchPosY - event.originalEvent.touches[0].pageY, + th = $this.outerHeight(), + ts = ($this.get(0).scrollHeight - $this.scrollTop()); + + // Hide on swipe? + if (config.hideOnSwipe) { + + var result = false, + boundary = 20, + delta = 50; + + switch (config.side) { + + case 'left': + result = (diffY < boundary && diffY > (-1 * boundary)) && (diffX > delta); + break; + + case 'right': + result = (diffY < boundary && diffY > (-1 * boundary)) && (diffX < (-1 * delta)); + break; + + case 'top': + result = (diffX < boundary && diffX > (-1 * boundary)) && (diffY > delta); + break; + + case 'bottom': + result = (diffX < boundary && diffX > (-1 * boundary)) && (diffY < (-1 * delta)); + break; + + default: + break; + + } + + if (result) { + + $this.touchPosX = null; + $this.touchPosY = null; + $this._hide(); + + return false; + + } + + } + + // Prevent vertical scrolling past the top or bottom. + if (($this.scrollTop() < 0 && diffY < 0) + || (ts > (th - 2) && ts < (th + 2) && diffY > 0)) { + + event.preventDefault(); + event.stopPropagation(); + + } + + }); + + // Event: Prevent certain events inside the panel from bubbling. + $this.on('click touchend touchstart touchmove', function(event) { + event.stopPropagation(); + }); + + // Event: Hide panel if a child anchor tag pointing to its ID is clicked. + $this.on('click', 'a[href="#' + id + '"]', function(event) { + + event.preventDefault(); + event.stopPropagation(); + + config.target.removeClass(config.visibleClass); + + }); + + // Body. + + // Event: Hide panel on body click/tap. + $body.on('click touchend', function(event) { + $this._hide(event); + }); + + // Event: Toggle. + $body.on('click', 'a[href="#' + id + '"]', function(event) { + + event.preventDefault(); + event.stopPropagation(); + + config.target.toggleClass(config.visibleClass); + + }); + + // Window. + + // Event: Hide on ESC. + if (config.hideOnEscape) + $window.on('keydown', function(event) { + + if (event.keyCode == 27) + $this._hide(event); + + }); + + return $this; + + }; + + /** + * Apply "placeholder" attribute polyfill to one or more forms. + * @return {jQuery} jQuery object. + */ + $.fn.placeholder = function() { + + // Browser natively supports placeholders? Bail. + if (typeof (document.createElement('input')).placeholder != 'undefined') + return $(this); + + // No elements? + if (this.length == 0) + return $this; + + // Multiple elements? + if (this.length > 1) { + + for (var i=0; i < this.length; i++) + $(this[i]).placeholder(); + + return $this; + + } + + // Vars. + var $this = $(this); + + // Text, TextArea. + $this.find('input[type=text],textarea') + .each(function() { + + var i = $(this); + + if (i.val() == '' + || i.val() == i.attr('placeholder')) + i + .addClass('polyfill-placeholder') + .val(i.attr('placeholder')); + + }) + .on('blur', function() { + + var i = $(this); + + if (i.attr('name').match(/-polyfill-field$/)) + return; + + if (i.val() == '') + i + .addClass('polyfill-placeholder') + .val(i.attr('placeholder')); + + }) + .on('focus', function() { + + var i = $(this); + + if (i.attr('name').match(/-polyfill-field$/)) + return; + + if (i.val() == i.attr('placeholder')) + i + .removeClass('polyfill-placeholder') + .val(''); + + }); + + // Password. + $this.find('input[type=password]') + .each(function() { + + var i = $(this); + var x = $( + $('
') + .append(i.clone()) + .remove() + .html() + .replace(/type="password"/i, 'type="text"') + .replace(/type=password/i, 'type=text') + ); + + if (i.attr('id') != '') + x.attr('id', i.attr('id') + '-polyfill-field'); + + if (i.attr('name') != '') + x.attr('name', i.attr('name') + '-polyfill-field'); + + x.addClass('polyfill-placeholder') + .val(x.attr('placeholder')).insertAfter(i); + + if (i.val() == '') + i.hide(); + else + x.hide(); + + i + .on('blur', function(event) { + + event.preventDefault(); + + var x = i.parent().find('input[name=' + i.attr('name') + '-polyfill-field]'); + + if (i.val() == '') { + + i.hide(); + x.show(); + + } + + }); + + x + .on('focus', function(event) { + + event.preventDefault(); + + var i = x.parent().find('input[name=' + x.attr('name').replace('-polyfill-field', '') + ']'); + + x.hide(); + + i + .show() + .focus(); + + }) + .on('keypress', function(event) { + + event.preventDefault(); + x.val(''); + + }); + + }); + + // Events. + $this + .on('submit', function() { + + $this.find('input[type=text],input[type=password],textarea') + .each(function(event) { + + var i = $(this); + + if (i.attr('name').match(/-polyfill-field$/)) + i.attr('name', ''); + + if (i.val() == i.attr('placeholder')) { + + i.removeClass('polyfill-placeholder'); + i.val(''); + + } + + }); + + }) + .on('reset', function(event) { + + event.preventDefault(); + + $this.find('select') + .val($('option:first').val()); + + $this.find('input,textarea') + .each(function() { + + var i = $(this), + x; + + i.removeClass('polyfill-placeholder'); + + switch (this.type) { + + case 'submit': + case 'reset': + break; + + case 'password': + i.val(i.attr('defaultValue')); + + x = i.parent().find('input[name=' + i.attr('name') + '-polyfill-field]'); + + if (i.val() == '') { + i.hide(); + x.show(); + } + else { + i.show(); + x.hide(); + } + + break; + + case 'checkbox': + case 'radio': + i.attr('checked', i.attr('defaultValue')); + break; + + case 'text': + case 'textarea': + i.val(i.attr('defaultValue')); + + if (i.val() == '') { + i.addClass('polyfill-placeholder'); + i.val(i.attr('placeholder')); + } + + break; + + default: + i.val(i.attr('defaultValue')); + break; + + } + }); + + }); + + return $this; + + }; + + /** + * Moves elements to/from the first positions of their respective parents. + * @param {jQuery} $elements Elements (or selector) to move. + * @param {bool} condition If true, moves elements to the top. Otherwise, moves elements back to their original locations. + */ + $.prioritize = function($elements, condition) { + + var key = '__prioritize'; + + // Expand $elements if it's not already a jQuery object. + if (typeof $elements != 'jQuery') + $elements = $($elements); + + // Step through elements. + $elements.each(function() { + + var $e = $(this), $p, + $parent = $e.parent(); + + // No parent? Bail. + if ($parent.length == 0) + return; + + // Not moved? Move it. + if (!$e.data(key)) { + + // Condition is false? Bail. + if (!condition) + return; + + // Get placeholder (which will serve as our point of reference for when this element needs to move back). + $p = $e.prev(); + + // Couldn't find anything? Means this element's already at the top, so bail. + if ($p.length == 0) + return; + + // Move element to top of parent. + $e.prependTo($parent); + + // Mark element as moved. + $e.data(key, $p); + + } + + // Moved already? + else { + + // Condition is true? Bail. + if (condition) + return; + + $p = $e.data(key); + + // Move element back to its original location (using our placeholder). + $e.insertAfter($p); + + // Unmark element as moved. + $e.removeData(key); + + } + + }); + + }; + +})(jQuery); \ No newline at end of file -- cgit v1.2.3